The galaxy density environment of gamma-ray burst host galaxies

Details The galaxy density environment of gamma-ray burst host galaxies The galaxy density environment of gamma-ray burst host galaxies

2004-02-24

arxiv.org/abs/astro-ph/0402576v1

Astrophys.J. 614 (2004) 84-90

Astronomy and Astrophysics

Astrophysics

6 figures, accepted for publication in ApJ

Scientific paper

10.1086/392497

We analyze cross-correlation functions between Gamma-Ray Burst (GRB) hosts and surrounding galaxies. We have used data obtained with the Very Large Telescope at Cerro Paranal (Chile), as well as public Hubble Space Telescope data. Our results indicate that Gamma-Ray Burst host galaxies do not reside in high galaxy density environments. Moreover, the host-galaxy cross-correlations show a relatively low amplitude. Our results are in agreement with the cross-correlation function between star-forming galaxies and surrounding objects in the HDF-N.

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